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High severity7.5NVD Advisory· Published Feb 7, 2026· Updated Jul 14, 2026

CVE-2026-25561

CVE-2026-25561

Description

WeKan versions prior to 8.19 contain an authorization weakness in the attachment upload API. The API does not fully validate that provided identifiers (such as boardId, cardId, swimlaneId, and listId) are consistent and refer to a coherent card/board relationship, enabling attempts to upload attachments with mismatched object relationships.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Wekan Project/Wekan
    cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*
    Range: <8.19
  • Wekan/Wekanllm-fuzzy2 versions
    <8.19+ 1 more
    • (no CPE)range: <8.19
    • (no CPE)range: 0

Patches

Vulnerability mechanics

References

3

News mentions

0

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